Home / 12,133.20-18,155.88-10,033.68

Finding the Fourth Proportional to 12,133.20, 18,155.88 and 10,033.68

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Solution

The fourth proportional to 12,133.20, 18,155.88 and 10,033.68 is: 15,014.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,133.20 : 18,155.88 = 10,033.68 : x
  2. Step 2: Convert to fraction form
    12,133.20/18,155.88 = 10,033.68/x
  3. Step 3: Cross multiply
    12,133.20x = 18,155.88 × 10,033.68
  4. Step 4: Simplify right side
    12,133.20x = 182,170,290.04
  5. Step 5: Solve for x
    x = 182,170,290.04/12,133.20
  6. Step 6: Final answer
    x = 15,014.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.